Not sure but I think it’s B and E
Answer:
Step-by-step explanation:
I start my grouping the like terms.
Then, I add the similar elements.
Finally, I added the numbers up.
For this case we have:
The general formula of the arithmetic sequence is given by:
Where
: Last term
: First term
n: Number of terms
d: Difference
Rewriting according to the given common difference, we have:
Answer: